/*
 * Created on Feb 10, 2005
 * Created by dfhuynh
 */
package edu.mit.simile.longwell.query;

import java.util.Set;

/**
 * @author dfhuynh
 */
public interface IQueryEngine {
	public IAnswer query(Query query, boolean fresh) throws QueryException;
	
	public int queryCount(Query query, boolean fresh) throws QueryException;
	
	public Set queryObjects(Query query, boolean fresh) throws QueryException;
}
